While exploring the “dark heart” of the human genome, geneticists have now found some of the most ancient pieces of DNA, inherited from Neanderthals and an as-yet-unknown human relative, which ...

U.S. doctors have transplanted a pig heart into a patient in a last-ditch effort to ... shot in the dark, ... an irregular heartbeat — made him ineligible for a human heart transplant or ...

The Maryland man who underwent the breakthrough procedure, 57-year-old David Bennett, was out of other medical options and too ill to be eligible for a human heart transplant.

A 57-year-old Maryland man is doing well three days after receiving a genetically modified pig heart in a first-of-its-kind transplant surgery, University of Maryland Medicine said in a news ...